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BORROWINGS Part 1 (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Debt Instrument [Line Items] |  |  |  |
Early debt extinguishment and other related costs |  | $ 0 | $ 7 | $ 0
Total borrowings |  | 5,782 | 6,168 |
Borrowings due within one year |  | 171 | 243 |
Long-term borrowings |  | $ 5,611 | 5,925 |
5.5% notes due November 2019 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Stated Interest Rate (in hundredths) |  | 5.50% |  |
Maturity Date |  | 2019 |  |
Extinguishment of Debt, Amount |  |  | 250 |
2.7% notes due January 2020 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  |  | 250 |
Borrowings due within one year |  | $ 0 |  |
Stated Interest Rate (in hundredths) |  | 2.70% |  |
Maturity Date |  | 2020 |  |
Extinguishment of Debt, Amount |  | $ 250 | 550 |
4.5% debentures due January 2021 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 185 | 185 |
Stated Interest Rate (in hundredths) |  | 4.50% |  |
Maturity Date |  | 2021 |  |
3.5% Notes Due Dec 2021 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 298 | 297 |
Principal amount |  |  | 300 |
Stated Interest Rate (in hundredths) |  | 3.50% |  |
Maturity Date |  | 2021 |  |
3.6% notes due August 2022 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 741 | 739 |
Stated Interest Rate (in hundredths) |  | 3.60% |  |
Maturity Date |  | 2022 |  |
1.50% notes due May 2023 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt | [1] | $ 840 | 855 |
Stated Interest Rate (in hundredths) |  | 1.50% |  |
Maturity Date |  | 2023 |  |
7 1/4% debentures due January 2024 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 198 | 197 |
Stated Interest Rate (in hundredths) |  | 7.25% |  |
Maturity Date |  | 2024 |  |
7 5/8% debentures due June 2024 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 43 | 43 |
Stated Interest Rate (in hundredths) |  | 7.625% |  |
Maturity Date |  | 2024 |  |
3.8% notes due March 2025 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 695 | 691 |
Stated Interest Rate (in hundredths) |  | 3.80% |  |
Maturity Date |  | 2025 |  |
1.875% notes due November 2026 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt | [1] | $ 556 | 566 |
Stated Interest Rate (in hundredths) |  | 1.875% |  |
Maturity Date |  | 2026 |  |
7.60% debentures due February 2027 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 195 | 195 |
Stated Interest Rate (in hundredths) |  | 7.60% |  |
Maturity Date |  | 2027 |  |
4.5% Notes Due Dec 2028 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 493 | 492 |
Principal amount |  |  | 500 |
Stated Interest Rate (in hundredths) |  | 4.50% |  |
Maturity Date |  | 2028 |  |
4.8% notes due September 2042 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 493 | 493 |
Stated Interest Rate (in hundredths) |  | 4.80% |  |
Maturity Date |  | 2042 |  |
4.65% notes due October 2044 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 874 | 872 |
Stated Interest Rate (in hundredths) |  | 4.65% |  |
Maturity Date |  | 2044 |  |
Commercial paper and short-term borrowings [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Borrowings due within one year |  | $ 171 | 243 |
Line of Credit [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 0 | 50 |
Various Debt Instruments [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Repurchased Face Amount |  |  | 800 |
Redemption Premium |  |  | 6 |
Early debt extinguishment and other related costs |  |  | 7 |
Booked value of debt extinguished |  |  | 799 |
Repayments of Debt |  |  | 806 |
Proceeds from Issuance of Debt |  |  | $ 789 |
[1] | The carrying value of the euro-denominated 1.50% notes due May 2023 and 1.875% notes due November 2026 will fluctuate with changes in the euro exchange rate. The carrying value of these euro-denominated borrowings have been designated as non-derivative net investment hedges of a portion of the Company's net investments in euro functional-currency denominated subsidiaries to offset foreign currency fluctuations.

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